<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for ScreenOrientation API</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="orientationcommon.js"></script>
<div id="log"></div>
<iframe sandbox="allow-scripts" id="frame"></iframe>
<script>
async_test(function(t) {
  var originalOrientation = screen.orientation.type;
  var alternateOrientation = originalOrientation == "portrait-primary" ?
    "landscape-primary" : "portrait-primary";

  var orientationChanges = [];
  window.screen.orientation.onchange = function() {
    orientationChanges.push(screen.orientation.type);
  };

  window.addEventListener("message", function(event) {
    t.step(function() {
      assert_equals(event.data, "error");
      assert_array_equals(orientationChanges, []);
      t.done();
    });
  }, false);

  var frame = document.getElementById("frame");
  frame.src = "http://example.com/tests/dom/base/test/file_lock_orientation.html";

  frame.onload = function() {
    assert_array_equals(orientationChanges, []);
    frame.contentWindow.postMessage(alternateOrientation, "*");
  };
}, "Test orientation lock from within a frame without sandbox permission.");
</script>
